top view of solar panels installed on top of a mall in tacloban city

aerial alternative energy array backup power blue carbon footprint cell collector commercial building ecology electricity environment facility flat frame generation gridtie industry installation installed large scale mall massive megawatts modern mounted operational philippines photovoltaic polycrystalline radiant renewable roofing rooftop solar panels sprawling sunlight sunny surface area sustainable technology top view tropical wide gaisano roof tacloban leyte city